| subepidermal | Situated beneath the epidermis, subepidermal. (18 Nov 1997) |
|---|---|
| subepidermal abscess | A microscopic abscess located in the dermis just beneath the epidermis. (05 Mar 2000) |
| nodular subepidermal fibrosis | A slowly growing benign skin nodule consisting of poorly demarcated cellular fibrous tissue enclosing collapsed capillaries with scattered haemosiderin-pigmented and lipid macrophages. They are common, usually about 1 cm in diameter and occur in the dermis. Simple excision is always curative. (12 Dec 1998) |
| bleb vs. Bulla | <radiology> Bleb collection of air within layers of viscera pleura, bulla air-filled, thin-walled space within lung (destruction of alveoli), cyst congenital: bronchial or bronchogenic cyst (12 Dec 1998) |
| bulla | Origin: L. Bulla bubble. See Bull an edict. 1. <medicine> A bleb; a vesicle, or an elevation of the cuticle, containing a transparent watery fluid. 2. <anatomy> The ovoid prominence below the opening of the ear in the skulls of many animals; as, the tympanic or auditory bulla. 3. A leaden seal for a document; especially. The round leaden seal attached to the papal bulls, which has on one side a representation of St. Peter and St. Paul, and on the other the name of the pope who uses it. 4. <zoology> A genus of marine shells. See Bubble shell. Source: Websters Dictionary (01 Mar 1998) |
| bulla ethmoidalis | A bulging of the inner wall of the ethmoidal labyrinth in the middle meatus of the nose, just below the middle nasal concha; it is regarded as a rudimentary concha. Synonym: bulla ethmoidalis. (05 Mar 2000) |
| bulla tympanica | The bony capsule enclosing the middle ear of the cat and dog. (05 Mar 2000) |
| pulmonary bulla | An air-filled blister on the surface of the lung, a similar abnormality within the lung presenting as a thin-walled cavity. (05 Mar 2000) |
| ethmoidal bulla | A bulging of the inner wall of the ethmoidal labyrinth in the middle meatus of the nose, just below the middle nasal concha; it is regarded as a rudimentary concha. Synonym: bulla ethmoidalis. (05 Mar 2000) |